lib/graph/notification/discarded-elements.c

   1 /*
   2  * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #define BT_LOG_TAG "NOTIF-DISCARDED"
  24 #include <babeltrace/lib-logging-internal.h>
  25
  26 #include <babeltrace/object-internal.h>
  27 #include <babeltrace/compiler-internal.h>
  28 #include <babeltrace/ctf-ir/clock-class.h>
  29 #include <babeltrace/graph/clock-class-priority-map.h>
  30 #include <babeltrace/graph/clock-class-priority-map-internal.h>
  31 #include <babeltrace/graph/notification-internal.h>
  32 #include <babeltrace/graph/notification-discarded-elements-internal.h>
  33 #include <babeltrace/assert-pre-internal.h>
  34 #include <stdint.h>
  35 #include <inttypes.h>
  36
  37 static
  38 void bt_notification_discarded_elements_destroy(struct bt_object *obj)
  39 {
  40         struct bt_notification_discarded_elements *notification =
  41                 (struct bt_notification_discarded_elements *) obj;
  42
  43         BT_LOGD("Destroying discarded elements notification: addr=%p",
  44                 notification);
  45         BT_LOGD_STR("Putting stream.");
  46         bt_put(notification->stream);
  47         BT_LOGD_STR("Putting beginning clock value.");
  48         bt_put(notification->begin_clock_value);
  49         BT_LOGD_STR("Putting end clock value.");
  50         bt_put(notification->end_clock_value);
  51         g_free(notification);
  52 }
  53
  54 BT_HIDDEN
  55 struct bt_notification *bt_notification_discarded_elements_create(
  56                 enum bt_notification_type type,
  57                 struct bt_stream *stream,
  58                 struct bt_clock_value *begin_clock_value,
  59                 struct bt_clock_value *end_clock_value,
  60                 uint64_t count)
  61 {
  62         struct bt_notification_discarded_elements *notification;
  63         struct bt_notification *ret_notif = NULL;
  64
  65         BT_ASSERT_PRE_NON_NULL(stream, "Stream");
  66         BT_LOGD("Creating discarded elements notification object: "
  67                 "type=%s, stream-addr=%p, stream-name=\"%s\", "
  68                 "begin-clock-value-addr=%p, end-clock-value-addr=%p, "
  69                 "count=%" PRIu64,
  70                 bt_notification_type_string(type), stream,
  71                 bt_stream_get_name(stream), begin_clock_value,
  72                 end_clock_value, count);
  73         notification = g_new0(struct bt_notification_discarded_elements, 1);
  74         if (!notification) {
  75                 BT_LOGE_STR("Failed to allocate one discarded elements notification.");
  76                 goto error;
  77         }
  78
  79         bt_notification_init(&notification->parent, type,
  80                 bt_notification_discarded_elements_destroy);
  81         ret_notif = &notification->parent;
  82         notification->stream = bt_get(stream);
  83         notification->begin_clock_value = bt_get(begin_clock_value);
  84         notification->end_clock_value = bt_get(end_clock_value);
  85         notification->count = (int64_t) count;
  86         BT_LOGD("Created discarded elements notification object: "
  87                 "type=%s, stream-addr=%p, stream-name=\"%s\", "
  88                 "begin-clock-value-addr=%p, end-clock-value-addr=%p, "
  89                 "count=%" PRIu64 ", addr=%p",
  90                 bt_notification_type_string(type), stream,
  91                 bt_stream_get_name(stream), begin_clock_value,
  92                 end_clock_value, count, ret_notif);
  93         goto end;
  94
  95 error:
  96         BT_PUT(ret_notif);
  97
  98 end:
  99         return ret_notif;
 100 }
 101
 102 BT_HIDDEN
 103 struct bt_clock_value *
 104 bt_notification_discarded_elements_borrow_begin_clock_value(
 105                 enum bt_notification_type type,
 106                 struct bt_notification *notification)
 107 {
 108         struct bt_notification_discarded_elements *discarded_elems_notif;
 109
 110         BT_ASSERT_PRE_NON_NULL(notification, "Notification");
 111         BT_ASSERT_PRE_NOTIF_IS_TYPE(notification, type);
 112         discarded_elems_notif = container_of(notification,
 113                         struct bt_notification_discarded_elements, parent);
 114         return discarded_elems_notif->begin_clock_value;
 115 }
 116
 117 BT_HIDDEN
 118 struct bt_clock_value *
 119 bt_notification_discarded_elements_borrow_end_clock_value(
 120                 enum bt_notification_type type,
 121                 struct bt_notification *notification)
 122 {
 123         struct bt_notification_discarded_elements *discarded_elems_notif;
 124
 125         BT_ASSERT_PRE_NON_NULL(notification, "Notification");
 126         BT_ASSERT_PRE_NOTIF_IS_TYPE(notification, type);
 127         discarded_elems_notif = container_of(notification,
 128                         struct bt_notification_discarded_elements, parent);
 129         return discarded_elems_notif->end_clock_value;
 130 }
 131
 132 BT_HIDDEN
 133 int64_t bt_notification_discarded_elements_get_count(
 134                 enum bt_notification_type type,
 135                 struct bt_notification *notification)
 136 {
 137         struct bt_notification_discarded_elements *discarded_elems_notif;
 138
 139         BT_ASSERT_PRE_NON_NULL(notification, "Notification");
 140         BT_ASSERT_PRE_NOTIF_IS_TYPE(notification, type);
 141         discarded_elems_notif = container_of(notification,
 142                         struct bt_notification_discarded_elements, parent);
 143         return discarded_elems_notif->count;
 144 }
 145
 146 BT_HIDDEN
 147 struct bt_stream *bt_notification_discarded_elements_borrow_stream(
 148                 enum bt_notification_type type,
 149                 struct bt_notification *notification)
 150 {
 151         struct bt_notification_discarded_elements *discarded_elems_notif;
 152
 153         BT_ASSERT_PRE_NON_NULL(notification, "Notification");
 154         BT_ASSERT_PRE_NOTIF_IS_TYPE(notification, type);
 155         discarded_elems_notif = container_of(notification,
 156                         struct bt_notification_discarded_elements, parent);
 157         return discarded_elems_notif->stream;
 158 }